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Performance study of a domestic refrigerator powered by a photovoltaic generator

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A small refrigerator (110 W) operated by a photovoltaic generator was used in this study. The performance of the refrigerator was exhibited in several figs where the power (P, in W), the capacity (cap, in W) and the coefficient of performance (COP) were treated as the dependent parameters. The evaporating temperature (T e, in °C) and the condensing temperature (T c, °C) were used as the independent parameters. Experimental results showed that solar energy system using deep discharge batteries with inverter is an attractive substitute for the mains power; the performance curves indicated an acceptable performance of the unit. Daily energy consumption by this refrigerator reaches about 0.5 kW h/day. For a building of 50 offices a 25 kW h/day can be extracted from such systems. This will reduce CO2 emission of around 15 kg/day (5.5 tons per year).

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Correspondence to Abedalrzaq Alshqirate.

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Alshqirate, A., Tarawneh, M. & Hammad, M. Performance study of a domestic refrigerator powered by a photovoltaic generator. Appl. Sol. Energy 51, 1–5 (2015).

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